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kotykmax [81]
2 years ago
9

When looking at a graph of a system of equations,

Mathematics
1 answer:
shutvik [7]2 years ago
5 0

Answer:

to solve a system of linear equations graphically we graph both equations in the same coordinate system, the solution to the system will be in the point where the 2 lines intersect.

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Point Q is 5 units tight and 2 units down from what point
gogolik [260]

Answer:

take the number (x,y) take Y subtract 2.. take x add 5. if the origin is 0,0 it would end 5,-2. if Q is 7,3

7+5 = 12

-3-2 = -5

answer (12,-5)

Step-by-step explanation:

5 0
3 years ago
How do you factor x2 + 2xy + y2 -2^4
UNO [17]

Answer:

try this answer x2 + 2xy + y2 - 16

3 0
2 years ago
Claudia bought milk that costs $2.34 and one box of cookies that costs $3.29. How
Feliz [49]

Answer:

$5.63

Step-by-step explanation:

Just add both prices together

6 0
3 years ago
Read 2 more answers
If two zeroes of the polynomial f(x)=x^3-5x^2-2x+24 are root 3 and -root3 then find its third zero
aalyn [17]
Product of zeroes of a cubic polynomial is -d/a of cubic polynomial ax^3 + bx^2 + cx + d 
<span>So we know product of two zeroes therefore by putting value of product of two zeroes and taking third as a variable we get third zero as -2 </span>
<span>Therefore -2 satisfies the equation and x+2 will be a factor of the equuation </span>

<span>By diving the above equation by x+2 we will get a quadratic rquation </span>
<span>I.e. x^2 -7x + 12 </span>
<span>Now by splitting the middle term you can find the other two zeroes </span>
<span>i.e. x^2 - 4x -3x + 12 </span>
<span>X(x - 4) -3(x - 4) </span>
<span>Therefore (x-3)(x-4)= x^2 - 4x -3x + 12 </span>
<span>Therefore the other two zeroes are 3 and 4 </span>

<span>The zetoes for the cubic equation are -2, 3 , 4 </span>
<span>To verify you can put these values in the equation and find answer = 0</span>
6 0
3 years ago
According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A random
Goshia [24]

Answer:

The correct option is A) This is not necessarily evidence that the proportion of Americans who are afraid to fly has increased above 0.10 because the probability of obtaining a value equal to or more extreme than the sample proportion is . which is not unusual.

Step-by-step explanation:

Consider the provided information.

The formula for testing a proportion is based on the z statistic.

z=\frac{\hat p-p_0}{\sqrt{p_0\frac{1-p_0}{n}}}

Were \hat p is sample proportion.

p_0 hypothesized proportion and n is the sample space,

The proportion of Americans who were afraid to fly in 2006 was 0.10. A random sample of 1,300 Americans results in 143 indicating that they are afraid to fly.

Therefore, n = 100  \hat p = \frac{143}{1300}=0.11 , p_0 = 0.10 and 1 - p_0 = 1 - 0.10 = 0.90

Substitute the respective values as shown:

z=\frac{0.11-0.10}{\sqrt{\frac{0.10\times 0.90}{1300}}}

z=1.201850

P(x>sample proportion)=p(z>1.20)=0.11507

Hence, the correct option is A) This is not necessarily evidence that the proportion of Americans who are afraid to fly has increased above 0.10 because the probability of obtaining a value equal to or more extreme than the sample proportion is . which is not unusual.

6 0
3 years ago
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